分类阶元,systematic category
1)systematic category分类阶元
1.The higher systematic category of Encyrtidae in Northeast of China was definited in the present study,including two subfamilies,18 tribes and 54 genera.本研究明确了中国东北地区跳小蜂科的高级分类阶元,即2亚科18族54属,记述了中国东北地区跳小蜂科18个族的分类性状及各族所包括的中国东北地区已知属;首次编制了中国东北地区四突跳小蜂亚科(12属)及跳小蜂亚科(42属)中迄今已知所有属的分属检索表,并对所有已知属的形态、分布、寄主、以及分类地位进行了全面记述;同时明确了Mayridia、Ectroma以及Rhopus等有争议属的分类地位;对Ceballosia、Xenoencyrtus 2个尚无人提出分类地位的属,首次提出了它们的分类地位。
英文短句/例句

1.It falls outside the scope of the formal taxonomic categories.它不属于正规植物分类学的分类阶元的范畴。
2.RAPD Studies on Genetic Differentiation among Different Taxa of Aphids (Homoptera, Aphidoidea);蚜虫不同分类阶元间遗传分化的RAPD研究
3.It is only by first naming organisms and then grouping them in recognizable categories.只有先对有机体进行命名并把它们归类成可以认识的分类阶元
4.Taxonomics and Phylogeny with Cladistic Analysis on the Higher Taxa of Phytoseiid Mites from China (Acari: Mesostigmata, Gamasina);中国植绥螨分类及高级阶元系统发育研究
5.Periodic Solutions for a Class of Second Order Functional Differential Equations with a Deviating Argument一类具有偏差变元的二阶泛函微分方程周期解
6.Periodic Solutions for a Kind of Second Order Differential Equations with a Deviating Argument一类具偏差变元的二阶微分方程周期解
7.Periodic Solutions for a Kind of Third Order Functional Differential Equation with Deviating Arguments一类三阶具多偏差变元微分方程的周期解
8.Sufficient Conditions on Existence of Periodic Solutions for a Kind of Third Order Differential Equation With a Deviating Argument一类具偏差变元三阶微分方程周期解存在的充分条件
9.Taxonomy of Cyrtophorid Ciliates (Protozoa,Ciliophora) from Coastal Waters off Qingdao, with Systematic Revisions on Some Families and Genera;青岛沿海管口目纤毛虫的分类学研究及科属级阶元的系统修订
10.Oscillation of Certain Second Order Partial Functional Differential Equations with Continuous Distributed Deviating Arguments;一类具连续偏差变元二阶偏泛函微分方程的振动性
11.Periodic Solutions to Second-order Neutral Functional Differential Equation with Complex Deviating Arguments;一类具复杂偏差变元的二阶中立型泛函微分方程的周期解
12.Existence of Periodic Solutions A Class of Second Order Differential Equation with Multiple Deviating Arguments一类二阶具多偏差变元微分方程周期解的存在性
13.Existence of Periodic Solutions for a Class of High Order Functional Differential Equations with Partial Difference Variables一类具有偏差变元的高阶泛函微分方程周期解的存在性
14.Study on the Family Category of Heteromera and Mouthpart Structure of Some Species from China(Coleoptera: Polyphaga);中国异跗节类昆虫的科级阶元与部分种类的口器表征(鞘翅目:多食亚目)
15.Arranged in classes or categories.分门别类的划分到阶级或类别中的
16.Solution of kind of second-order variable coefficient differential equation;几类二阶非线性微分方程的可积类型
17.Two Stages Multi-label SVM Classifier Based on K-means基于K-means的二阶段多类SVM分类器
18.Multi-stage and Multi-sort Spares Classification Method Based on ABC基于ABC分类的备件多阶段多类别分类法
相关短句/例句

Petrosaviaceae高阶分类阶元
3)Family-level科级分类阶元
4)Higher taxon高级分类阶元
5)Higher-taxon approach较高分类阶元方法
6)order classification阶分类
1.This paper discusses the relation beween order classification and isomorphic classification, gives some important characteristic properties of a cyclic group with order n and a important property of a p-group with finite order, introduces two factorization method of direct product for commutative p-group with finite order, presents some new problems.讨论了阶分类与同构分类的关系,给出了n阶循环群的几个重要的特征性质和有限p-群的一个重要性质,介绍了有限交换p-群直积分解的两种方法,提出了一些新的问题。
延伸阅读

病之阶病之阶 病之阶   疾病发展的途径,导致病变的原因。《素问·六元正纪大论》:“用热远热,用温远温……反是者,病之阶也。”